Search a number
-
+
494656 = 2659131
BaseRepresentation
bin1111000110001000000
3221010112121
41320301000
5111312111
614334024
74130101
oct1706100
9833477
10494656
11308708
121ba314
131441c6
14cc3a8
159b871
hex78c40

494656 has 28 divisors (see below), whose sum is σ = 1005840. Its totient is φ = 241280.

The previous prime is 494651. The next prime is 494671. The reversal of 494656 is 656494.

Its product of digits (25920) is a multiple of the sum of its prime divisors (192).

It is not an unprimeable number, because it can be changed into a prime (494651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3711 + ... + 3841.

2494656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 494656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502920).

494656 is an abundant number, since it is smaller than the sum of its proper divisors (511184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494656 is a wasteful number, since it uses less digits than its factorization.

494656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 192 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 494656 is about 703.3178513304. The cubic root of 494656 is about 79.0862701211.

The spelling of 494656 in words is "four hundred ninety-four thousand, six hundred fifty-six".

Divisors: 1 2 4 8 16 32 59 64 118 131 236 262 472 524 944 1048 1888 2096 3776 4192 7729 8384 15458 30916 61832 123664 247328 494656